Frost dates for Kingman Mohave Co Airport, AZ
At Kingman Mohave Co Airport, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 11, for a typical growing season of 220 days. For a 90% chance that the last frost has passed, wait until Apr 21. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 21Safer planting date10% chance of 32°F after this date
- Nov 11First fall frost (median)50% chance of 32°F by this date
- 220 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Mar 30 | Apr 20 | May 9 |
| 32°F | Mar 8 | Apr 2 | Apr 21 |
| 28°F | Feb 10 | Mar 6 | Apr 5 |
| 24°F | Jan 6 | Feb 10 | Mar 7 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 14 | Oct 31 | Nov 13 |
| 32°F | Oct 26 | Nov 11 | Nov 24 |
| 28°F | Nov 6 | Nov 22 | Dec 7 |
| 24°F | Nov 15 | Dec 2 | Dec 23 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 169 days | 193 days | 217 days |
| 32°F | 195 days | 220 days | 249 days |
| 28°F | 225 days | 256 days | 289 days |
| 24°F | 262 days | 298 days | 330 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 86409 | 8b | 15 to 20°F | 24 km |
| 86401 | 8b | 15 to 20°F | 24 km |
| 86411 | 8a | 10 to 15°F | 27 km |
| 86431 | 8b | 15 to 20°F | 34 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USW00093167, at 35.2578, -113.9331, elevation 1042 m (3,420 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 66.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Yucca 1 NNE (46 km)
- Diamond M Rch (52 km)
- Bullhead City (59 km)
- Wikieup (68 km)
- Meadview 1w (85 km)
- Lake Havasu City (93 km)
- Temple Bar (93 km)
- Willow Beach (95 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.